Most venture firms spread their money like confetti. Menlo Ventures took the opposite approach in 2024: they put nearly half their fund on one company. One bet. $750 million. All on Anthropic.
That bet just paid off. Big time.
Today, Menlo announced a fresh $3 billion fund—its largest ever. The firm is riding high on the Anthropic wave, and they're not hiding it. Sources say the original $750 million stake is now worth north of $4 billion. That's a 5x return in two years. In venture math, that's not just a home run. That's a goddamn grand slam.
Guts, Not Gimmicks
Let me be clear: this wasn't some calculated portfolio theory. This was a conviction bet. In 2023, when the AI frenzy was still a toddler, Menlo's partners spent months in Anthropic's offices. They watched the engineering team build Claude. They stress-tested the models. They grilled CEO Dario Amodei over everything from safety protocols to pricing models.
By early 2024, they were ready. They committed $750 million from their $1.5 billion base fund. Half the firm's ammunition on one target. The rest of Sand Hill Road thought they were crazy. "Too concentrated," the whispers went. "If Anthropic stumbles, Menlo collapses."
But Menlo's managing partner, Matt Murphy, told me something different back then: "We don't build a portfolio to survive losing. We build to win big when we're right." He was right.
The AI Casino Is Rigged—For the Bold
Let's talk about the landscape. AI investing is a winner-take-most game. OpenAI soaked up billions, but Anthropic emerged as the only credible rival. Google's Gemini is a science project. Meta's Llama is open-source but messy. Anthropic has the safety narrative, the enterprise deals, and the talent.
Menlo saw that before anyone else. They didn't hedge. They didn't do a syndicate. They wrote a check that said: we believe in you more than we believe in anything else.
Now, with the new $3 billion fund, they're doubling down. The timing is aggressive—valuation floors are rising, and the market is crowded with AI tourists. But Menlo has earned the right to swagger. Their LPs are flooded with cash from the Anthropic exit, and they're hungry for more.
"We don't build a portfolio to survive losing. We build to win big when we're right." — Matt Murphy, Menlo Ventures
The Old Playbook Is Dead
For years, venture capital was about spreading risk. 20 companies, 10x each, and you're a hero. But AI moves too fast. The alpha is in concentration. Sequoia did it with Stripe. Benchmark did it with Uber. Now Menlo joins that club.
The risk? That Anthropic becomes a one-hit wonder. That the next wave of AI—agents, robotics, whatever—leaves Menlo on the sidelines. But $3 billion gives them runway to make stupid bets and still come out clean.
I asked an LP in the new fund why they committed. "Because Menlo proved they can swing," they said. "When everyone else was nickel-and-diming, they swung."
The Verdict
Menlo's story is a reminder that venture capital is not a math problem. It's a blood sport. You either have the stomach to bet big, or you don't. Menlo did—and now they're sitting on a pile of cash and a reputation that money can't buy.
The real question: what's next? The $3 billion fund gives them firepower, but it also raises expectations. Every portfolio company will be compared to Anthropic. Every check they write will be judged against that $750 million god-bet.
I, for one, am watching. And I'm guessing they'll swing again.
